Loom-shuttle.



PATENTED OCT. 8, 1607.

RA. MILLS.

LOOM SHUTTLE.

APPLICATION FILED APE. 20, 1905.

..,.H Z. h h a +wi Z M W UNITED STATES PATENT OFFICE.

FRANGIS ARTHUR MILLS, OF LAWRENCE, MASSACHUSETTS.

Loon-snowman.

are. 867,740.

Patented Oct. 8, 1907.

To all whom it may concern:

Be it. known that I, FRANCIS ARTHUR Mums, of Lawrenee, in the county of Essex and State of Massachusetts, have invented certain new and useful Improvements in'Loom-Shuttles, of which the following is a specification.

This maehine relates to an improvement in looms.

Figure 1 is a top-plan view of the shuttle shown in Fig. 3. Fig. 2 is a section on the line 5 5, Fig. 1, looking in the direction of the arrow and showing the heel of the bobbin in engagement with the bobbin heel holder. Fig. 3 is a detail perspective view of my impmved bobbin heel holder. Fig.4 is a detail perspectit'o view of the old form of the bobbin heel holder. Fig. 5 is a View similar to Fig. 2 showing the position oi my improved bobbin heel holder at.the time of the ejeetion of one bobbin and insertion of another. Fig.

0 is a view similar to Fig. 2 showing the shuttle equipped with the form of bobbin heel holder shown in Fig. 4. Fig. 7 is a: view similar to Fig. 5 showing the arrangement of the parts of the bobbin heel holder with relation to the bobbin heels, when the form of holder shown in Fig. 4 is employed and when the bobbin is being ejected and a new one inserted.

20, Fig. 4 represents the ordinary, well-known springfork or bobbin heel holder earried by the shuttle. The legs of this fork are formed as leaf springs. The out inner end of ear-h leg is provided with a series of grooves 2! to receive the corresponding flanges 22 of the bobbin-heel. In the use of the form of device shown in Fig. 4,, the aetion of the new bobbin ejects the old bobbin, but the legs of the fork are made so narrow that they return to their normal position after new bobbin can enter. This infirmity and unneeesarmaetion of the spring legs greatly reduees their life,

and is the eause of frequent breakage.

My improved bobbin heel holder 30 is in prineiple like the old form of holder and the front end of ear-h leg on its inner side is provided with gmoves 31, whereas in the old form of holder the legs are substantially of equal width, in my improved form of holder I inereaso the width of the legs at the end above the grooves 31, as shown at 32, suflieiently as shown in Fig. 5 to permit the engagement ol the forks in their open position with the ineoming bobbin before these legs are released by the outgoing bobbin, as shown in Fig. 5. By this arrangement the ineoming bobbin engaging the bobbin in the holder removes it from the grooves 31, thereby spreading the legs to the position shown in Fig. 5. The (-ontinued downward movement of the top or new bobbin brings the legs of the fork in their open or spread position into engntgeinent with the new bobbin before the old bobbin releases its hold on the forks. By this arrangement the old bobbin is ejected and a new bobbin inserted by one spreading ar-tion of the fork, the latter returning to its normal position only after the ribs 22 of the new bobbin have entered the grooves 3].

Having thus explained the nature of my invention and deseribed a way of construeting and using the same, although without attempting to set forth all of the forms in which it may be made or all of the modes of its use, what 1 desire to elaim is:

i. A shuttle comprising a shuttle-frame formed with n bohbin-reeeiving reeeptaele, a spring arranged In said recepiaele and adapted to engage the heel of the bobbin. :1

FRANCIS Ali'IIlIII: MILLS.

Witnesses II. b. Itonnms, I 'I. (hour/inr- 

